Environmental sealing
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United States of America Patent
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-
Jan 11, 1994
Grant Date -
N/A
app pub date -
Jan 21, 1992
filing date -
Jul 20, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of forming a branch-off seal between a heat-shrinkable sleeve and at least two spaced-apart elongate substrates, which comprises the steps of: (a) positioning the substrates within the heat-shrinkable sleeve; (b) positioning between the substrates and within the sleeve at an open end thereof a plug having a larger cross-sectional size at a first position away from said open end and a smaller cross-sectional size at a second position towards said open end; (c) positioning a heat-activatable sealing material at the first position; (d) shrinkable conduits in the sleeve by positioning one or more clips at the open end of the sleeve such that the substrates and the plug are in respective conduits; and (e) while the clip remains on the sleeve, applying heat so as to affect shrinkage of the sleeve to activate the sealant, and form the desired seal.
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